What We Left Behind: Looking Back at Star Trek: Deep Space Nine
- Godina: 2018
- Country: United States of America
- Žanr: Documentary
- Studio: 455 Films, Le Big Boss Productions
- Ključna riječ: television history, science fiction
- Direktor: David Zappone, Ira Steven Behr
- Uloge: Avery Brooks, Terry Farrell, Michael Dorn, René Auberjonois, Nana Visitor, Alexander Siddig